Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Incentive Compensation Plans (Share-based Compensation, Allocation of Recognized Period Costs) (Details)

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Stock-Based Incentive Compensation Plans (Share-based Compensation, Allocation of Recognized Period Costs) (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 25, 2016
Jun. 27, 2015
Jun. 25, 2016
Jun. 27, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax $ 18,000,000 $ 17,000,000 $ 34,000,000 $ 34,000,000
Income tax benefit associated with stock-based compensation expense 0 0 0 0
Cost of sales        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax 0 1,000,000 1,000,000 2,000,000
Research and development        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax 10,000,000 10,000,000 19,000,000 20,000,000
Marketing, general and administrative        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Stock-based compensation expense, net of tax $ 8,000,000 $ 6,000,000 $ 14,000,000 $ 12,000,000